TABLE 2.
Estimates of the Number of Extra Views Per Examination by Digital Manufacturer and Overall
| Manufacturer | Primary Views | Extra Views | Extra Views (%) | Percentage Point Difference |
p | |||
|---|---|---|---|---|---|---|---|---|
| SFM | FFDM | SFM | FFDM | SFM | FFDM | |||
| Fischer (n = 1,070) | 4,250 | 4,247 | 233 | 262 | 5.5 | 6.2 | 0.7 | 0.101 |
| Fujifilm (n = 911) | 3,624 | 3,624 | 159 | 152 | 4.4 | 4.2 | −0.2 | 0.413 |
| GE Healthcare (n = 2,406) | 9,514 | 9,532 | 600 | 1,816 | 6.3 | 19.1 | 12.7 | < 0.001 |
| Hologic CCD (n = 395) | 1,568 | 1,568 | 27 | 64 | 1.7 | 4.1 | 2.4 | < 0.001 |
| Hologic Selenia (n = 239) | 951 | 952 | 7 | 6 | 0.7 | 0.6 | −0.1 | 0.706 |
| All (n = 5,021) | 19,907 | 19,923 | 1,026 | 2,300 | 5.2 | 11.5 | 6.4 | < 0.001 |
Note—Data in parentheses are number of subjects. SFM = screen-film mammography, FFDM = full-field digital mammography.